A car travels counterclockwise around a flat circle of radius 0.25 km at a constant speed of 20 m/s. When the car is at point A as shown in the figure, what is the car's acceleration?

A. 1.6 m/s2, south
B. Zero
C. 1.6 m/s2, east
D. 1.6 m/s2, north
E. 1.6 m/s2, west


Answer: E

Physics & Space Science

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